Incident Overview
Date: Thursday 29 July 1971
Aircraft Type: Antonov An-12B
Owner/operator: Aeroflot, International Civil Aviation Directorate
Registration Number: CCCP-12993
Location: Calcutta-Dum Dum Airport (CCU) –
ÿ India
Phase of Flight: Approach
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 7
Component Affected: Aircraft control system (specifically, final approach control).Aircraft control system (specifically, final approach control).
Category: Accident

An Antonov undershot the runway at Calcutta, resulting in a 198m descent due to heavy rain and reduced visibility. The incident was likely caused by a loss of control during final approach.An Antonov undershot the runway at Calcutta, resulting in a 198m descent due to heavy rain and reduced visibility. The incident was likely caused by a loss of control during final approach.
Description
The Antonov undershot the runway by 198 m after a PAR approach to Calcutta in torrential rain with reduced visibility. PROBABLE CAUSE: Loss of control on finals, after entering blinding rain at very low height.
Source of Information
https://www.airhistory.net/info/soviet.phphttps://www.airhistory.net/info/soviet.phpPrimary Cause
Loss of control on finals, after entering blinding rain at very low height.Loss of control on finals, after entering blinding rain at very low height.Share on: